Seemingly back from the dead Nathan Wallace finds himself in a strange place full of recurring faces and obscure entities. He must travel through the nightmarish carnival in the hopes of being reunited with his beloved Marni

"A boy, a fox, and a lone wolf, each with a sin all their own, and a story that was theirs to tell. Not that any of that mattered, of course. That was what Lucifer loved about his work; every sinner was made equal. All that mattered here was your sin." What happens when the characters of REPO! are sent to the Carnival?

After Blind Mag's so called accident on the night of her last performance, she wakes up to find that her attempted suicide had failed. She is then greeted by an alluring stranger who turns out to be Hell's most serpentine carny who makes her an interesting deal.